How should possible policy reforms and projects be assessed when prices give misleading signals? Revenues and costs at market prices then give distorted measures of social gains and losses and our appraisal should use social opportunity costs, or correctly defined, shadow prices. We show how...

An empirical study that shows that countries’ reserve holdings are sensitive to the rates at which they can borrow on international financial markets, this analysis confirms the view that holding major currencies as reserve assets has costs that are frequently unrecognized. Between 1978-82 for...

This paper takes a new approach to assess the costs and benefits of using different policy tools-macroprudential, monetary, foreign exchange interventions, and capital flow management-in response to changes in financial conditions. The approach evaluates net benefits of policies using quadratic...

This paper provides a framework to assess the benefits and costs of intervening in a banking crisis. Intervention involves liquidity support and resolution actions. Principal benefits of intervention include avoiding panic and eliminating the economic costs of distorted incentives. Principal...

This paper develops a cost-benefit approach that helps to quantify the optimal level of international reserves in low-income countries, focusing on the role of reserves in preventing and mitigating absorption drops triggered by large external shocks. The approach is applied to a sample of 49...

We analyze the profitability of FX swaps used by the central bank of Brazil to shed light on the rationale for FX intervention. We find that swaps are profitable in expectation, suggesting that FX intervention is used to stabilize the exchange rate in the face of temporary excessive movements...

We estimate a variety of exchange rate elasticities of international tourism. We show that, in addition to the bilateral exchange rate between the tourism origin and destination countries, the exchange rate vis-a-vis the US dollar is also an important driver of tourism flows and pricing. The...

The public sector, in carrying out its operations, often incurs foreign currency denominated liabilities and, as such, is exposed to exchange rate fluctuations that could affect the value of public debt to GDP ratios over time. This paper shows that converting foreign currency denominated flows...

For about three decades until the Global Financial Crisis (GFC), Covered Interest Parity (CIP) appeared to hold quite closely-even as a broad macroeconomic relationship applying to daily or weekly data. Not only have CIP deviations significantly increased since the GFC, but potential...

We study exchange rate and equity price dynamics, in general equilibrium, in the presence of news shocks about future productivity and monetary policy. We identify a condition under which these asset prices become more volatile without affecting the volatility of the underlying processes-a...